Experimental analysis of the double-plate type and twin-arc plate permeable breakwater in force characteristics
To explore the similarities and differences of different permeable plate breakwaters in terms of structural forces,this paper investigated a physical model tests of twin-flat-plate(TFP)and twin-arc-plate(TAP)permeable breakwaters in a wave flume.Under different diving depth conditions,the results indicated that the wave pressure distribution characteristics of the upper and lower plate of the TAP breakwater were markedly different.Except for the upper surface of the upper plate,the positive wave pressure on the TAP breakwater was less than the TFP breakwater for the 77.8％cases.Under the different submergence condition,the negative wave pressures on the upper surface of the upper plate of the TAP breakwater was greater than the TFP breakwater.The lower surface of the lower plate in the emerged state(h/d=-0.05)and at the still water level(h/d=0),except for the upper surface of the upper plate in the submerged state(h/d=0.05),the negative pressure on the twin-arc-plate breakwater was less than those on the TFP breakwater.The positive and negative vertical wave forces on the twin-arc-plate breakwater were less than those of the TFP breakwater,and the differs no-tably between the negative vertical wave forces.The results of this study could be used as a reference for the application of plate permeable breakwaters in engineering.
plate permeable breakwaterphysical model testwave forcecomparison study
NETL
NSTL
万方数据
